Some ing words that can describe rocks include: weathering, eroding, forming, and metamorphosing.
Some words that have ING in them and can be used to describe the sky are glistening and sparkling. Another word to describe the sky would be dazzling.
Some "ing" words that describe loud noises are deafening, piercing, thundering, and booming.
Discouraging
annoying
boring tiring amazing confusing
Sustaining, nurturing, protecting, conserving.
towering
kissing, hugging, loving, smiling, laughing
Rustling, shimmering, dying, dancing, and lying.
Glistening, sparkling, shining, enchanting, etc.
soothing